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Is the Universe Spinning? [View All]

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n2doc Donating Member (1000+ posts) Send PM | Profile | Ignore Sat Jul-09-11 10:50 AM
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Is the Universe Spinning?
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Physicists and astronomers have long believed that the universe has mirror symmetry, like a basketball. But recent findings from the University of Michigan suggest that the shape of the Big Bang might be more complicated than previously thought, and that the early universe spun on an axis.

To test for the assumed mirror symmetry, physics professor Michael Longo and a team of five undergraduates catalogued the rotation direction of tens of thousands of spiral galaxies photographed in the Sloan Digital Sky Survey.

The mirror image of a counter-clockwise rotating galaxy would have clockwise rotation. More of one type than the other would be evidence for a breakdown of symmetry, or, in physics speak, a parity violation on cosmic scales, Longo said.

The researchers found evidence that galaxies tend to rotate in a preferred direction. They uncovered an excess of left-handed, or counter-clockwise rotating, spirals in the part of the sky toward the north pole of the Milky Way. The effect extended beyond 600 million light years away.

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  -Is the Universe Spinning? n2doc  Jul-09-11 10:50 AM   #0 
  - See, I've tried to explain to right-handers that us lefties were correct... n/t  PoliticAverse   Jul-09-11 11:00 AM   #1 
  - I wonder...  Speck Tater   Jul-09-11 11:00 AM   #2 
  - We see every galaxy moving away from us no matter which direction we look.  MilesColtrane   Jul-09-11 11:18 AM   #3 
  - Thought experiment...  Speck Tater   Jul-09-11 11:34 AM   #4 
  - "Or, the axis of rotation might be in a higher spatial dimension..."  MilesColtrane   Jul-09-11 11:45 AM   #5 
  - Hmmm. You're right. Oh well, back to the drawing board. nt  Speck Tater   Jul-09-11 05:36 PM   #8 
     - The merry go round analogy was an interesting way of thinking about relative motion.  MilesColtrane   Jul-09-11 06:34 PM   #11 
        - Seems that stuff as fundamental as "space" and "time" should be easy to understand.  Speck Tater   Jul-09-11 07:00 PM   #13 
        - Oh my god, a KINDRED soul!  Bigmack   Jul-16-11 11:08 PM   #24 
  - Do we get cotton candy after the carrousel? n/t  Ian David   Jul-15-11 10:59 AM   #23 
  - The Earth does occupy the exact position in the universe where the Big Bang happened.  bananas   Jul-10-11 11:47 AM   #15 
     - How so?  derby378   Jul-13-11 08:06 PM   #19 
     - Hooray for geocentrism!  laconicsax   Jul-13-11 09:08 PM   #20 
  - centripetal force  mopinko   Jul-09-11 12:44 PM   #7 
  - can an infintie universe  qazplm   Jul-09-11 12:28 PM   #6 
  - If the spin was rigid, then yes. The angular velocity at the (infinite) rim would be infinite. nt  Speck Tater   Jul-09-11 05:38 PM   #9 
  - Not the Universe; Mind is spinning.  WheelWalker   Jul-09-11 06:29 PM   #10 
  - Ridiculous.  DetlefK   Jul-09-11 06:37 PM   #12 
  - Perhaps they are figuring that the universe is isotropic at that scale  gristy   Jul-09-11 08:35 PM   #14 
  - Spinning in what?  Iggo   Jul-11-11 12:41 PM   #16 
  - Depends, is there a 2 for 1 deal at the bar?  Thor_MN   Jul-11-11 06:34 PM   #17 
  - Heck, why not. Everything else seems to be  gtar100   Jul-11-11 11:33 PM   #18 
  - spin relative to what? n/t  lumberjack_jeff   Jul-15-11 12:14 AM   #21 
  - I asked that question in 7th grade, but nobody could give me a good answer. n/t  Ian David   Jul-15-11 10:55 AM   #22 

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